//
//public class Person{
//
//    private String name = "Person";
//
//    int age=0;
//
//}
//
//public class Child extends Person {
//
//    public String grade;
//
//    public static void main(String[] args) {
//
//        Person p = new Child();
//
//        System.out.println(p.name);
//
//    }
////}
//
//class A{
//    A(){
//        System.out.print(1);
//    }
//}
//class B extends A{
//    public static void main(String[] args) {
//        new B();
//        new A();
//    }
//
//}
//class C extends A{
//
//}
//public class Test {
//    public static void main(String[] args) {
//       // System.out.println(123);
//        A a0=new A();
//        A a1=new B();
//        A a2=new C();
//    }
//}

//class Base{
////    public Base(String s){
////        System.out.print("B");
////    }
////}
////
////public class Derived extends Base{
////    public Derived (String s) {;
////        System.out.print("D");
////    }
////    public static void main(String[] args){
////        new Derived("C");
////    }
////}

//class X{
//    Y y=new Y();//1
//    public X(){//2
//        System.out.print("X");
//    }
//}
//class Y{
//    public Y(){//3
//        System.out.print("Y");
//    }
//}
//public class Test extends X {
//    Y y = new Y();//4
//
//    public Test() {//5
//        System.out.print("Z");
//    }
//
//    public static void main(String[] args) {
//        new Test();
//    }
//}

import java.util.Scanner;

public class Test {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        while (scanner.hasNextInt()) {
            int x = scanner.nextInt();
            int y = scanner.nextInt();
            int z = scanner.nextInt();
            Sub sub = new Sub(x, y, z);
            System.out.println(sub.calculate());
        }
    }

}

class Base {

    private int x;
    private int y;

    public Base(int x, int y) {
        this.x = x;
        this.y = y;
    }

    public int getX() {
        return x;
    }

    public int getY() {
        return y;
    }

}

class Sub extends Base {

    private int z;

    public Sub(int x, int y, int z) {
        //write your code here
        super(x,y);
        this.z=z;
    }

    public int getZ() {
        return z;
    }

    public int calculate() {
        return super.getX() * super.getY() * this.getZ();
    }

}
